gatsby-config.js

const config = require('./data/SiteConfig');
const urljoin = require('url-join');

const regexExcludeRobots = /^(?!\/(dev-404-page|404|offline-plugin-app-shell-fallback|tags|categories)).*$/;

module.exports = {
  pathPrefix: config.pathPrefix,
  siteMetadata: {
    siteUrl: urljoin(config.siteUrl, config.pathPrefix),
    rssMetadata: {
      site_url: urljoin(config.siteUrl, config.pathPrefix),
      feed_url: urljoin(config.siteUrl, config.pathPrefix, config.siteRss),
      title: config.siteTitle,
      description: config.siteDescription,
      image_url: `${urljoin(
        config.siteUrl,
        config.pathPrefix
      )}/logos/logo-512.png`,
      author: config.userName,
      copyright: config.copyright
    }
  },
  plugins: [
    'gatsby-plugin-react-helmet',
    'gatsby-plugin-lodash',
    'gatsby-plugin-sass',
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        name: 'assets',
        path: `${__dirname}/content/images/`
      }
    },
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        name: 'posts',
        path: `${__dirname}/content`
      }
    },
    {
      resolve: 'gatsby-transformer-remark',
      options: {
        plugins: [
          {
            resolve: 'gatsby-remark-relative-images'
          },
          {
            resolve: 'gatsby-remark-images',
            options: {
              maxWidth: 672
            }
          },
          {
            resolve: 'gatsby-remark-responsive-iframe'
          },
          'gatsby-remark-prismjs',
          'gatsby-remark-copy-linked-files',
          'gatsby-remark-autolink-headers'
        ]
      }
    },
    {
      resolve: 'gatsby-plugin-google-analytics',
      options: {
        trackingId: config.siteGATrackingID
      }
    },
    {
      resolve: 'gatsby-plugin-nprogress',
      options: {
        color: '#c62828'
      }
    },
    'gatsby-transformer-sharp',
    'gatsby-plugin-sharp',
    'gatsby-plugin-catch-links',
    {
      resolve: 'gatsby-plugin-netlify-cms',
      options: {
        htmlTitle: 'Content Manager'
      }
    },
    'gatsby-plugin-twitter',
    {
      resolve: 'gatsby-plugin-sitemap',
      options: {
        output: '/sitemap.xml',
        query: `
          {
            site {
              siteMetadata {
                siteUrl
              }
            }

            allSitePage(
              filter: {
                path: {
                  regex: "${regexExcludeRobots}"
                }
              }
            ) {
              edges {
                node {
                  path
                }
              }
            }
        }`
      }
    },
    {
      resolve: 'gatsby-plugin-manifest',
      options: {
        name: config.siteTitle,
        short_name: config.siteTitleShort,
        description: config.siteDescription,
        start_url: config.pathPrefix,
        background_color: '#e0e0e0',
        theme_color: '#c62828',
        display: 'minimal-ui',
        icons: [
          {
            src: '/logos/logo-192.png',
            sizes: '192x192',
            type: 'image/png'
          },
          {
            src: '/logos/logo-512.png',
            sizes: '512x512',
            type: 'image/png'
          }
        ]
      }
    },
    'gatsby-plugin-offline',
    {
      resolve: 'gatsby-plugin-feed',
      options: {
        setup(ref) {
          const ret = ref.query.site.siteMetadata.rssMetadata;
          ret.allMarkdownRemark = ref.query.allMarkdownRemark;
          ret.generator = 'GatsbyJS Material Starter';
          return ret;
        },
        query: `
        {
          site {
            siteMetadata {
              rssMetadata {
                site_url
                feed_url
                title
                description
                image_url
                author
                copyright
              }
            }
          }
        }
      `,
        feeds: [
          {
            serialize(ctx) {
              const { rssMetadata } = ctx.query.site.siteMetadata;
              return ctx.query.allMarkdownRemark.edges.map(edge => ({
                categories: edge.node.frontmatter.tags,
                date: edge.node.frontmatter.date,
                title: edge.node.frontmatter.title,
                description: edge.node.excerpt,
                author: rssMetadata.author,
                url: rssMetadata.site_url + edge.node.fields.slug,
                guid: rssMetadata.site_url + edge.node.fields.slug,
                custom_elements: [{ 'content:encoded': edge.node.html }]
              }));
            },
            query: `
            {
              allMarkdownRemark(
                limit: 1000,
                sort: { order: DESC, fields: [frontmatter___date] },
              ) {
                edges {
                  node {
                    excerpt
                    html
                    timeToRead
                    fields { slug }
                    frontmatter {
                      title
                      cover
                      date
                      category
                      tags
                    }
                  }
                }
              }
            }
          `,
            output: config.siteRss
          }
        ]
      }
    }
  ]
};